PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By contrast, a telephony-centric network is a network which carries telephony information such as voice, fax, page messages encoded as dual tone multiple frequency (DTMF) signals, etc., primarily to facilitate information exchange among telephony devices.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com